Idea Machine Development Design and Production Ltd.

Eitan Sheffer

Shlomo Turgeman

Ben Zion Lavi

Mordechai Brestel

Michael Remes

A compact laser system with a folded annular resonator cavity defined by spherical mirrors (), enabling the generation of a multipass beam path between the mirrors, each beam pass inclined at a small angle to the axis between the mirrors to form a zig-zag path () therebetween. A long optical path is achieved within a short physical structure. The optical resonator cavity is confined in the gap between two cylindrical coaxial electrodes () receiving RF power to excite the lasing gas. Apertures () are provided in the main cavity mirrors (), with a high reflectivity end mirror () behind one aperture at one end and a partially reflective output coupler () at the other end. A channeled ceramic cylindrical element () within the annular shaped gap between the two cylindrical electrodes confines the lasing gas to the channels ().

Compact coaxial laser

There is provided plate equipped with a mechanism to facilitate determination of the amount of a fluid added to or removed from a well in the plate. Other embodiments are also described.

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Ramat Gan, Israel

Eitan Sheffer